<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Book</title>
</head>
<body>
    <div>
        书名:{{ b }}<br>
        时间:{{ t }}<br>
        作者:
        {% for author in list %}
            <span>{{author}}</span>
        {% endfor %}
    </div>
</body>
</html>